It Was Discovered That Stars of the Same Temperature Can

question 79

Multiple Choice

It was discovered that stars of the same temperature can include stars of different radii. The response to this finding was

• A) to refine the spectral classification scheme by introducing subheadings 0-9.
• B) to revise the spectral classification to start with O rather than A.
• C) to define the luminosity classes.
• D) to invent the H-R diagram.

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Definitions:

Sleep

A natural and periodic state of rest for the mind and body, in which the eyes usually close and consciousness is completely or partially lost.

Trimester

A term used to divide the nine-month period of pregnancy into three equal parts, each roughly three months long, to describe the stages of fetal development.

Developing Fetus

The stage in pregnancy when an embryo develops into a fetus, characterized by significant growth and development of bodily structures and organ systems.

Syphilis

A sexually transmitted infection that can attack major organ systems.